Allow episode zero (special) and leading zeroes in RSS episode filter.

--HG--
branch : magao-dev

src/base/rss/rssdownloadrule.cpp

@@ -31,6 +31,8 @@
 #include <QRegExp>
 #include <QDebug>
 #include <QDir>
+#include <QStringRef>
+#include <QVector>
 
 #include "base/preferences.h"
 #include "base/utils/fs.h"
@@ -97,10 +99,16 @@ bool DownloadRule::matches(const QString &articleTitle) const
         QString expStr;
         expStr += "s0?" + s + "[ -_\\.]?" + "e0?";
 
-        foreach (const QString &ep, eps) {
-            if (ep.isEmpty())
+        foreach (const QString &epStr, eps) {
+            if (epStr.isEmpty())
                 continue;
 
+            QStringRef ep( &epStr);
+
+            // We need to trim leading zeroes, but if it's all zeros then we want episode zero.
+            while (ep.size() > 1 && ep.startsWith("0"))
+                ep = ep.right(ep.size() - 1);
+
             if (ep.indexOf('-') != -1) { // Range detected
                 QString partialPattern = "s0?" + s + "[ -_\\.]?" + "e(0?\\d{1,4})";
                 QRegExp reg(partialPattern, Qt::CaseInsensitive);
@@ -120,7 +128,7 @@ bool DownloadRule::matches(const QString &articleTitle) const
                     }
                 }
                 else { // Normal range
-                    QStringList range = ep.split('-');
+                    QVector<QStringRef> range = ep.split('-');
                     Q_ASSERT(range.size() == 2);
                     if (range.first().toInt() > range.last().toInt())
                         continue; // Ignore this subrule completely

src/gui/rss/automatedrssdownloader.cpp

@@ -78,7 +78,7 @@ AutomatedRssDownloader::AutomatedRssDownloader(const QWeakPointer<Rss::Manager>
     QString tip = "<p>" + tr("Matches articles based on episode filter.") + "</p><p><b>" + tr("Example: ")
                   + "1x2;8-15;5;30-;</b>" + tr(" will match 2, 5, 8 through 15, 30 and onward episodes of season one", "example X will match") + "</p>";
     tip += "<p>" + tr("Episode filter rules: ") + "</p><ul><li>" + tr("Season number is a mandatory non-zero value") + "</li>"
-           + "<li>" + tr("Episode number is a mandatory non-zero value") + "</li>"
+           + "<li>" + tr("Episode number is a mandatory positive value") + "</li>"
            + "<li>" + tr("Filter must end with semicolon") + "</li>"
            + "<li>" + tr("Three range types for episodes are supported: ") + "</li>" + "<li><ul>"
            "<li>" + tr("Single number: <b>1x25;</b> matches episode 25 of season one") + "</li>"